Perhaps you should try some spelling variations:
factores » ffactores, factorres, factres, actores
act » fact
ffactor » fffactor, factor, bifactor, effector, ffactorr, ffactr
facto » ffacto, factor, fact, acto
ffactores » fffactores, factores, bifactores, effectores, ffactorres, ffactres, factors, actores, fatores
factres » ffactres, factortes, facturas

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: Peter McDonald (((factores OR act) OR ((alta OR (ffactor OR facto)) OR (ffactores OR factres))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Peter McDonald (((factores OR act) OR ((alta OR (ffactor OR facto)) OR (ffactores OR factres))))".
• Adding a wildcard symbol may retrieve word variants: Peter McDonald (((factores OR act) OR ((alta OR (ffactor OR facto)) OR (ffactores OR factres))))*.